Rau qis - zaus ntsuas, ib qho kev xav tau ntau ntxiv tau raug xaiv.
1. Teem lub AC lim yog qhov tseem ceeb heev. Cov ntxaij lim dej yog siv kom du cov zis ntawm qhov tseeb Rms hloov dua siab tshiab. Qhov chaw muaj tseeb yog tsawg thaum muaj zaus nyob hauv qab 20Hz. Thaum teeb tsa lub lim dej qis, ua kom cov ruaj khov ntawm qhov sib txawv los ntawm kev ntxig qeeb ntawm 2 thiab 5 vib nas this. Siv cov lus txib hauv qab no kom teev lub lim dej tsawg.
Voltage: AC: Bandwidthmin
2. Yog tias koj paub txog theem ntawm cov teeb liab ntsuas, koj yuav tsum teeb tsa kev txhais tes ua los pab ua kom ceev qhov ntsuas. Lub sijhawm ua haujlwm ntev dua ntawm txhua qhov qis - zaus ntsuas yuav qeeb qeeb hauv cov ntau yam.
Peb pom zoo kom koj teeb tsa cov kev tuav phau ntawv.
3. 34401 A siv DC thaiv cov capacitor los thaiv cov liab acps converter rau ntsuas DC lub cim. Qhov no tso cai rau ntau qhov ntau ntawm kev ntsuas AC cov khoom sib xyaw ua ke. Thaum ntsuas cov khoom siv nrog cov zis siab, lub sijhawm txaus yuav tsum ua kom muaj kev ruaj khov ntawm DC thaiv capacitor. Lub sijhawm ua haujlwm ruaj khov tsis cuam tshuam los ntawm zaus ntawm AC teeb liab, tab sis cuam tshuam los ntawm cov kev hloov pauv ntawm DC lub cim.
Cov agilent 3458A muaj peb txoj kev rau ntsuas cov npe hluav taws xob vols; Nws cov hom synchronous hom tuaj yeem ntsuas cov cim tsawg li 1Hz. Txhawm rau teeb tsa cov multimeter rau tsawg - zaus ntsuas:
Hloov kho cov vololage zoo siv kev ntsuas hluav taws xob nrog DC thaiv kev capacitor. Nws tuaj yeem ntsuas cov cim qhia tsawg li 3Hz. Yuav kom ua tiav kev ntsuas tau, nws yog ib qho tsim nyog los xaiv qhov qis- zaus lim, thiab txheeb xyuas qhov twg DC kev tsis ncaj ncees yog qhov ruaj khov. Thaum koj siv lub lim dej qeeb, kev ncua ntawm 7 vib nas this yog ntxig los xyuas kom cov ruaj khov ntawm cov multimeter.
